Krishna Prakasha, K and Muniyal, Balachandra and Bhuva, Milap J (2016) Design of an Efficient User Authentication Mechanism using Enhanced Version of Otway-Rees Protocol. In: International Conference on Innovative Computation Technologies, 26/08/2016, Coimbatore,Tamilnadu.

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Abstract

An enhancement of the authentication protocol for Otway- Rees protocol is proposed to improve some drawbacks of original Otway-Rees protocol and Improved Otway-Rees protocol. In context, a problem is in original Otway-Rees protocol suffer from lack of data integrity and data confidentiality invites impersonation attack by modifying message format sequence and adding other messages. The Improved Otway-Rees protocol removes redundancy in Otway-Rees protocol messages and also avoids impersonation attack. This protocol does not supporting bilateral authentication. This paper proposes a novel enhanced work on authentication protocol, which eliminates redundancy in original Otway- Rees protocol and removes the limitations likem,impersonation attack by modifying and adding some cipher chunks messages and also eliminates flaws in Improved Otway-Rees protocol by providing bi- lateral authentication mechanism. As a result, the protocol satisfies the strong goals of identifying authentication and also meet mutual authentication with assuring data integrity, data confidentiality and secure key distribution between involving parties

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